CHANGSTAR: Audiophile Headphone Reviews and Early 90s Style BBS

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Author Topic: Open T50RP  (Read 5610 times)

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spoony

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Re: Open T50RP
« Reply #30 on: December 16, 2014, 06:36:04 PM »
Quote from: rklm on December 16, 2014, 06:31:24 PM
Do you plan on parting with the secrets to your pad mod?  8)

He already did (not sure if last iteration).
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stratocaster

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Re: Open T50RP
« Reply #31 on: December 16, 2014, 07:07:00 PM »
Quote from: c61746961 on December 16, 2014, 06:26:40 PM
Is your last iteration based on the HM5 pleathers?

No, I prefer the velour pads. The highs are smoother with them.
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rklm

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Re: Open T50RP
« Reply #32 on: December 16, 2014, 07:11:36 PM »
Ah, I found it here

Btw, you sir, are a gentleman and a scholar.

I am so excited to play with this configuration now!
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spoony

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Re: Open T50RP
« Reply #33 on: December 16, 2014, 07:56:17 PM »
Quote from: stratocaster on December 16, 2014, 07:07:00 PM
No, I prefer the velour pads. The highs are smoother with them.

Nice, did you spend a lot of time tuning the open-cell foam vs felt thickness on your new pads?, is it critical for balanced response?
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stratocaster

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Re: Open T50RP
« Reply #34 on: December 16, 2014, 08:19:13 PM »
Quote from: c61746961 on December 16, 2014, 07:56:17 PM
Nice, did you spend a lot of time tuning the open-cell foam vs felt thickness on your new pads?, is it critical for balanced response?
If you have this sound-leaking felt ring between baffle and pad, you have to adjust the damping behind the driver to achieve a good balance. If you dampen your driver tightly, this may result in elevated highs. Then you can try to bring down the FR curve from 3 - 10 kHz with a layer of foam in the pad bottom. I tested/measured the effect of several materials and foam (like the one in a Grado S-cush) does the job best.
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spoony

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Re: Open T50RP
« Reply #35 on: December 16, 2014, 10:11:29 PM »
In your last iteration are you still using that foam donut on the 'ear side' of the pad?
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stratocaster

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Re: Open T50RP
« Reply #36 on: December 17, 2014, 05:14:58 AM »
Quote from: c61746961 on December 16, 2014, 10:11:29 PM
In your last iteration are you still using that foam donut on the 'ear side' of the pad?

Yes.
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